Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757555AbYBIBY7 (ORCPT ); Fri, 8 Feb 2008 20:24:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754325AbYBIBYu (ORCPT ); Fri, 8 Feb 2008 20:24:50 -0500 Received: from host36-195-149-62.serverdedicati.aruba.it ([62.149.195.36]:46214 "EHLO mx.cpushare.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752310AbYBIBYt (ORCPT ); Fri, 8 Feb 2008 20:24:49 -0500 Date: Sat, 9 Feb 2008 02:24:46 +0100 From: Andrea Arcangeli To: Christoph Lameter Cc: Roland Dreier , a.p.zijlstra@chello.nl, izike@qumranet.com, steiner@sgi.com, linux-kernel@vger.kernel.org, avi@qumranet.com, linux-mm@kvack.org, daniel.blueman@quadrics.com, Robin Holt , general@lists.openfabrics.org, Andrew Morton , kvm-devel@lists.sourceforge.net, Rik van Riel Subject: Re: [ofa-general] Re: [patch 0/6] MMU Notifiers V6 Message-ID: <20080209012446.GB7051@v2.random> References: <20080208233636.GG26564@sgi.com> <20080208234302.GH26564@sgi.com> <20080208155641.2258ad2c.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 833 Lines: 20 On Fri, Feb 08, 2008 at 04:36:16PM -0800, Christoph Lameter wrote: > On Fri, 8 Feb 2008, Roland Dreier wrote: > > > That would of course work -- dumb adapters would just always fail, > > which might be inefficient. > > Hmmmm.. that means we need something that actually pins pages for good so > that the VM can avoid reclaiming it and so that page migration can avoid > trying to migrate them. Something like yet another page flag. What's wrong with pinning with the page count like now? Dumb adapters would simply not register themself in the mmu notifier list no? > > Ccing Rik. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/